package com.lwj.se;

import java.util.Arrays;

public class ArrayDemo {
    public static void main(String[] args) {
        //1.����Ԫ������Ĭ��ֵ��(0\0.0\false\null)
        //2.���鸴��
        int[] nums={6,3,9,7,5,4,8,1};
        int[] arr=new int[9];
        System.arraycopy(nums,2,arr,3,4);
        //3.�������ݡ�����
        int[] arr1= Arrays.copyOf(nums, nums.length+1);
        //4.��������
        Arrays.sort(nums);

    }


}
